urelas | 3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2024, 14:39

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General

Target

3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe
Size

60KB
MD5

14066660fe9e064688af3d0a47fe23cc
SHA1

437a2459722a4d5b894be0104d536f50ea3de021
SHA256

3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1
SHA512

915bc3d120a555ba060025a673e73d5b1597629cf591cc9b359f514fac0b646ee4334fb7f2c6548b7411d5aeb83ba503e2bb98ffb629ff727a4345e614e1fb40
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPW:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdaS

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas
Urelas family
urelas

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe

Executes dropped EXE 1 IoCs

pid	Process
2980	biudfw.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2980	1620	3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe	82
PID 1620 wrote to memory of 2980	1620	3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe	82
PID 1620 wrote to memory of 2980	1620	3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe	82
PID 1620 wrote to memory of 3960	1620	3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe	83
PID 1620 wrote to memory of 3960	1620	3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe	83
PID 1620 wrote to memory of 3960	1620	3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe	83

C:\Users\Admin\AppData\Local\Temp\3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe
"C:\Users\Admin\AppData\Local\Temp\3eb8178319573c09aae71dce86038f9c8812a68c3279e1b1ee7a7c36df816ef1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2980
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
60KB

MD5
c5f738b19672e6ab8ce057b1a43cc28c

SHA1
4cd54a1f76187187d189918a3300cbffffc1e08e

SHA256
d24664f2a671b028d5baa75d7784ea9475638a0831c3c4a536a3b91f3d3d383c

SHA512
69c48740fefff4b1b51fc7568914b7bc66e7167c9be7e2565e2113ab1367db713a3d34a562b449f9df4a6a0acb384fcd12e10c19ee6d26b8376c92634ebd470f

Download Submit
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

Filesize
512B

MD5
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

Download Submit
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

Filesize
338B

MD5
d2f3a3645bb1d4f53f618475eae39a6b

SHA1
8e106c3370722e1871171bf9aa4625ef8e7f526a

SHA256
c8cff3a5a9bdad29f80f3ff06a9726aa4d2c673d3ebd0b50ed5d85ac1e3e02a1

SHA512
2335ac7e25955d32378c882b6c671ee0ede2277fcd86a63a2578a231a5dc0b6aa47a1ac830d59fe0bd84013481be3135c6a6b6bd42e3750b49b56dd18c9f3f9f

Download Submit
memory/1620-0-0x0000000000BF0000-0x0000000000C25000-memory.dmp

Filesize
212KB

Download
memory/1620-14-0x0000000000BF0000-0x0000000000C25000-memory.dmp

Filesize
212KB

Download
memory/2980-10-0x0000000000630000-0x0000000000665000-memory.dmp

Filesize
212KB

Download
memory/2980-17-0x0000000000630000-0x0000000000665000-memory.dmp

Filesize
212KB

Download
memory/2980-19-0x0000000000630000-0x0000000000665000-memory.dmp

Filesize
212KB

Download
memory/2980-26-0x0000000000630000-0x0000000000665000-memory.dmp

Filesize
212KB

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